All times Eastern.

• 6PM, Discovery Channel – How It’s Made: Hockey gloves; snack cakes; remoulded tires; waste water treatment.
• 6PM, History Channel – Man, Moment, Machine: Alexander the Great and the Devastating Catapult. Alexander the Great and the torsion catapult.
• 6PM, Science Channel – Driven to Invent: Duel in the Darkness. Scientists in England and Germany attempt to perfect radar technology with the onset of World War II.
• 6PM, Discovery Health – Code Blue: Sweet Charity. The medical staff of Charity Hospital in New Orleans deal with everything from births to multiple gunshot wounds.
• 6:30PM, Discovery Channel – How It’s Made: Plastic injection moulds, automotive oil filters, filing cabinets, blown glass.
• 7PM, Discovery Channel – How It’s Made: Pro hockey sticks; bronzed shoes; treadmills; computers.
• 7PM, Food Network – Good Eats: Flat Is Beautiful III: Flounder. Alton goes fishing for flounder.
• 7PM, Science Channel – Extreme Concept Cars: Prototypes let car manufacturers and enthusiasts dream big.
• 7PM, Military Channel – Top Ten Combat Rifles: Weapons are ranked using scientific analyses and expert opinion.
• 7:30PM, Discovery Channel – How It’s Made: Motorcycles; clay pipes; drumsticks; whistles.

8PM and on after the jump!

• 8PM, National Geographic – In the Womb: Animals: The embryonic journey of the dog, the elephant and the dolphin.
• 8PM, Science Channel – Futurecar: The Brain. Computers help to drive cars.
• 8PM, History Channel – Modern Marvels: Nature’s Engineers. Beavers, honeybees, birds, termites and spiders build their homes.
• 8PM, Animal Planet – Planet Earth: Jungles. Cameras capture unprecedented views of the animal species that live on the dark jungle floor.
• 8PM, G4 – X-Play: “.hack//G.U. Volume 2//Reminisce”; “Driver ‘76.”
• 9PM, History Channel – Modern Marvels: The Butcher. Butchers take carcasses of unsavory flesh and carve them into mouth-watering cuts.
• 9PM, Discovery Channel – MythBusters: Snow Special. Snow myths.
• 9PM, Science Channel – Building the Future: 21st Century Shelter. People of different regions of the world combat earthquakes, floods, storms and other natural disasters.
• 9PM, Discovery HD – Vehicle Design Summit at MIT: Engineers from around the world gather to design alternative energy vehicles.
• 9:30PM, Sundance – John Safran vs God
• 10PM, ESPN2 – Boxing: Wednesday Night Fights. From Mashantucket, Conn. David Banks (14-1-1, 2 KOs) vs. Peter Manfredo Jr. (27-4, 13 KOs), super middleweights, 10 rounds.
• 10PM, Bravo – Top Chef: Sunny Delights. The chefs work with fruit; guest judge Norman Van Aken.
• 10PM, Discovery HD – Riddle of the Polar Sky: Exploring the mysteries of the Northern Lights.
• 10PM, Speed – Unique Whips: Pam’s White Hot. Pamela Anderson looks to get her vintage Airstream trailer customized.
• 11PM, Discovery Channel – Dirty Jobs: Geoduck Farmer. Harvesting clams in Puget Sound; restoring a church’s antique pipe organ.
• 11PM, Military Channel – World War II Battlefront: U-Boat War. U-boats posed the deadliest threat to Allied convoys traveling the Atlantic.
• 11PM, History Channel – Modern Marvels: Environmental Tech. New technologies such as carbon sequestration and bioremediation combat environmental crises.
• 11PM, Comedy Central – Daily Show: Fareed Zakaria, editor of Newsweek International?
• 11:30PM, Comedy Central – Colbert Report: Will Schwalbe, author of Send: The Essential Guide To Email For Office And Home